Tim McDonnell

Tim McDonnell is a senior fellow on the Climate Desk, where he covers national energy policy.

One Year After Sandy, Breezy Point Rebuilds

But flood insurance hikes may make this quiet beach-side neighborhood unaffordable for many residents.

Why America's Carbon Emissions Are Dropping

Amazingly, half the cuts came from reductions in household energy use.

Live from Stockholm: Breaking Down the Scary Details in Today's Landmark Climate Report

Scientists warn of "unequivocal" climate change that is "unprecedented over decades to millennia."

World Scientists Just Put the Finishing Touches on the Next Big Climate Report

The major report will include updates on everything from how long CO2 hangs out in the atmosphere to dangers posed by sea level rise.

How Climate Change Made the Violence in Syria Worse

International security experts explain how low rainfall can evolve into violent conflict.

Fly Along With NASA's Cloud Hunters

Climb aboard NASA's biggest flying laboratory to discover the climate change secrets of clouds.

Map: Oysters, Reefs, and Swamps Protect Billions' Worth of Real Estate—For Free

Natural coastal ecosystems are protecting twice as much coastline and 1.4 million people from climate risks. 

Live Coverage of the President's Big Climate Change Announcement

What the nation's first wide-ranging strategy for tackling climate change will look like.

The Feds Are Fighting Forest Fires Wrong

The government pours billions into fighting fires but skimps on cheap, proven methods for stopping megafires before they start.

The States That Use the Most Green Energy

Texas leads the nation in wind power; in Washington, hydroelectric dams provide 60 percent of the state’s energy.

How Do You Get Conservatives to Buy Energy Efficient Products?

For starters, don't tell them it'll help fight climate change or "protect the environment."

Your Wine Habit Is Threatening Endangered Pandas

Climate change is forcing a showdown between vineyards and sensitive habitats.

Should You Buy That Beachfront Home in the Sandy-Ravaged Rockaways?

Homes ripped apart by the superstorm are proving to be magnets for bargain hunters—but not everyone is getting a good deal.

Even More Evidence Climate Change Will Hit East Coast Cities Particularly Hard

We could see seven times as many Katrinas every year.

A Map of All the U.S. Nuclear Plants That Almost Melted Down in 2012

Two years after Fukushima, some American nuclear power plants are still having scares.

Climate Change: The Secret Inflamer of the Arab Spring

Droughts and resource shortages can destabilize countries and foment unrest.

Scientists Hunt for Sewage in New York City’s Harbors

After Sandy, researchers are heading out to sea for a forensic look at the storm’s impacts.

Meet the Newest Fleet of 'Green' Cars

Detroit rolled out the next generation of fuel-efficient cars at this year's Auto Show.

Climate Change Could Destroy San Francisco's Marshes

Thanks to rising seas, 95 percent of the city's marsh area could become mudflats by 2100.

Meet the Woman Tasked With Saving New York From the Next Sandy

Judith Rodin will help design a "climate-conscious overhaul" of New York's infrastructure before the next storm rolls in.